Surgery – Truss – Pad
Patent
1993-08-26
1994-09-20
Manuel, George
Surgery
Truss
Pad
12866001, A61B 800
Patent
active
053480147
ABSTRACT:
An ultrasonic diagnostic apparatus comprising an ultrasonic diagnostic apparatus main body, a cable, one end of which is attached to the ultrasonic diagnostic apparatus main body, an ultrasonic probe attached to the other end of the cable, an arm unit including a plurality of arm members which rotate and slide with respect to one another, and a balancer unit. The balancer unit is attached to an end of the arm unit and substantially balances the weight of the ultrasonic probe. The balancer unit comprises a rotational mechanism using a constant force spring for generating a constant winding force smaller than the weight of the ultrasonic probe, irrespective of the length of the a handing unit of the cable, and a wire for providing the winding force.
REFERENCES:
patent: 4362058 (1982-12-01), Abele
patent: 4399822 (1983-08-01), Theumer
patent: 5167165 (1992-12-01), Brucher et al.
patent: 5170790 (1992-12-01), Lacoste et al.
Kabushiki Kaisha Toshiba
Manuel George
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